O-Ring, Black BUNA/NBR Nitrile Size: 317, Durometer: 70 Nominal Dimensions: Inner Diameter: 83/91(0.912) Inches (2.31648Cm), Outer Diameter: 1 1/3(1.332) Inches (3.38328Cm), Cross Section: 17/81(0.21) Inches (5.33mm) Part Number: ORBN317
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